Safety: Over Voltage Protection , short circuit Protection , over current Protection.

How to use:

1. Please discharge the battery to 2% then fully charge at the first time.

2. It is forbidden to discharge to 0% on normal working, it will be easily damaged and shorten the usage life; It must be turned off or recharged(in 1-2 days) if as low as 2%.

3. It must be charged above 70% before long time storage(more than three months).

4. Battery needs recycling frequently. It is recommended to discharge and charge it once per two months at least. The battery will achieve best performance, please discharging it to 2%, and then charging it full.

5. Never take out the battery from the laptop when charging or discharging.